diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index d3253af..0ec9761 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -26,7 +26,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: panvimdoc
-        uses: kdheepak/panvimdoc@main
+        uses: kdheepak/panvimdoc@v2.1.0
         with:
           # Output vimdoc project name
           vimdoc: zenbones